Back Draught Valve / Blast Furnace Back Draft Isolation Valve

We are offering to our client superior quality Back Draught Valve / Blast furnace Back Draft Isolation Valve.

* Hot Blast Design, Coffee-Pot Bleeder Cap are the types):
Very high end sealing as well as immediate operation to avoid damages to the Blast Furnace in case of development of inside draft is the importance of this valve. Somewhere the Hot Blast valve (With one side special sealing) is used to maintain the inventory. Another design is Coffee Pot Type valve operates thru Hydraulic Cylinders. Special Spherical Seat & cap assembly ensures sealing efficiency even at high temperature of almost 1000A C. The drive (Hydraulic cylinder) and its lever kinematics ensures the perfect tightening and contact of Disc Cap & valve Seat ensures proper sealing to arrest Hot gases to enter directly to atmosphere.